What's the best way for me to find out if a given parameter of a function is a constant? The context is that it's expensive to process, and in most cases will in fact be a constant, so if it is in fact a constant I'd like to process it once and stash the results.
cheers andrew -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
